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Swagelok London

Your Authorized Swagelok Sales and Service Centre

Needle Shutoff and Regulating Valves

Toggle and Screwed Bonnet Needle Valves

Needle Valves, Shutoff and Regulating

Swagelok® offers a broad line of needle shutoff and regulating valves to control flow in general- and severe-service applications.

Needle valves:

  • Provide reliable and consistent flow control
  • Are offered in a variety of materials, sizes, and end connections
  • Have been engineered to withstand corrosive and extreme conditions

General Utility Service Needle Valves (GU Series)

GU series needle valves are for use in general purpose applications to isolate or vent system media. The hardened stainless steel, nonrotating needle promotes leak-tight shutoff and long service life.

Specifications

Working Pressure Up to 6000 psig (413 bar)
Temperature -20 to 650°F (-28 to 343°C)
Body Material 316 stainless steel, carbon steel
Packing Material Carbon/glass-filled PTFE, graphite
Flow Coefficient Up to 2.25
End Connections
   Type NPT, tube socket weld, pipe socket weld,
   Size 1/4 to 1 in.; 6 to 25 mm

Integral-Bonnet Needle Valves (0, 1, 18, 20, and 26 Series)

Integral-bonnet needle valve are compact needle valves available in a full range of sizes, configurations, and materials for a variety of applications.

Specifications

Working Pressure Up to 6000 psig (413 bar)
Temperature –65 to 600°F (–53 to 315°C)
Body Material 316 stainless steel, brass, steel, alloy 400
Packing Material PFA
Flow Coefficient Up to 1.80
End Connections
   Type Swagelok tube fitting, NPT, female ISO
   Size 1/8 to 3/4 in.; 3 to 18 mm

Stainless Steel Screwed-Bonnet Needle Valves (JB Series)

Screwed-bonnet needle valves offer shutoff or regulating stem tips in straight- or angle-pattern valves with externally adjustable packing.

Specifications

Working Pressure Up to 3000 psig (206 bar)
Temperature –40 to 600°F (–40 to 315°C)
Body Material 316 stainless steel
Packing Material PTFE or Grafoil®
Flow Coefficient Up to 0.58
End Connections
   Type Swagelok tube fitting, NPT, male ISO
   Size 1/8 to 3/8 in.; 6 and 8 mm

Brass Screwed-Bonnet Needle Valves (JN Series)

Specifications

Working Pressure Up to 600 psig (41.3 bar)
Temperature –40 to 300°F (–40 to 148°C)
Body Material Brass
Packing Material Virgin PTFE
Flow Coefficient Up to 0.43
End Connections
   Type Swagelok tube fitting, NPT, ISO
   Size 1/8 to 3/8 in.; 6 mm

Forged-Body Needle Valves, 10 000 psig (690 bar) (F10 Series)

F10 series needle valves feature a nonrotating, hardened needle with safety back-seating for positive shutoff in working pressures up to 10 000 psig (690 bar).

Specifications

Working Pressure Up to 10 000 psig (690 bar)
Temperature 0 to 850°F (–17 to 454°C)
Body Material Forged 316 stainless steel
Packing Material PTFE, graphite
End Connections
   Type NPT
   Size 1/2 in.
Configurations Straight, angle, oblique patterns

Toggle Valves (OG, 1G, and 92 Series)

On-off operation is quick and easy with the toggle valve.

Specifications

Working Pressure Up to 300 psig (20.6 bar)
Temperature –20 to 200°F (–28 to 93°C)
Body Material 316 stainless steel, brass
O-Ring Material Fluorocarbon FKM
Flow Coefficient Up to 0.70
End Connections
   Type Swagelok tube fitting, NPT
   Size 1/8 to 1/2 in.; 3 to 12 mm

Severe-Service Union-Bonnet Needle Valves (N and HN Series)

Needle valves with union-bonnet construction are available in a variety of materials, with working pressures up to 10 000 psig (689 bar) and temperatures up to 1200°F (648°C).

Specifications

Working Pressure Up to 10 000 psig (689 bar)
Temperature –65 to 1200°F (–53 to 648°C)
Body Material 316 stainless steel, alloy 400, alloy 20, alloy 600, alloy C-276, titanium
Packing Material PTFE
Flow Coefficient Up to 2.4
End Connections
Type Swagelok tube fitting, NPT, tube socket weld, pipe socket weld, male VCR® fitting, male VCO® fitting
Size 1/8 to 1 in.; 6 to 12 mm

Instrumentation Blowdown Valves (6DB Series)

Specifications

Working Pressure Up to 6000 psig (413 bar)
Temperature –65 to 1200°F (–53 to 648°C)
Body Material 316 stainless steel
Packing Material Grafoil
Flow Coefficient 0.86
End Connections
   Type Swagelok tube fitting, female NPT, tube socket weld, pipe socket weld
   Size 1/4, 3/8, 1/2 in.; 10 and 12 mm

Compact Gauge Valves

The compact gauge valve with integral purge valve provides fast, convenient installation and gauge maintenance in a lightweight package and smaller footprint than conventional assemblies.

Specifications

Working Pressure Up to 4000 psig (275 bar)
Temperature –65 to 600°F (–53 to 315°C)
Body Material 316 stainless steel
O-Ring Material PFA
End Connections
   Type Swagelok tube fitting
   Size 1/2 in., 12 mm

Needle Valves (IPT Series)

The IPT series needle valves are available in a variety of 2-way and 3-way configurations, straight and angle patterns.  The 316 stainless steel body with medium- or high-pressure end connections enable working pressures up to 60 000 psig (4134 bar). Manual and pneumatically actuated style valves are available. These valves are available for sour gas applications with materials selected in accordance with NACE MR0175/ISO15156.

Specifications

Working Pressure Up to 60 000 psig (4134 bar)
Temperature Up to 250°F (121°C) with PTFE packing, up to 650°F (343°C) with Grafoil® packing
Body Material 316 stainless steel
O-Ring Material PTFE
End Connections
   Type medium- and high-pressure cone and thread, Swagelok medium-pressure tube fitting (FK), NPT

High-Pressure Needle Valves (Sno-Trik Series)

Cold-worked 316 stainless steel body and high-pressure end connections enable working pressures up to 45 000 psig (3102 bar).

Specifications

Working Pressure Up to 45 000 psig (3102 bar)
Temperature –65 to 850°F (–53 to 454°C)
Body Material 316 stainless steel
Packing Material Glass-filled PTFE
Flow Coefficient Up to 0.19
End Connections
   Type Straight-thread high-pressure female, female NPT
   Size 9/16-18, 3/4-16, 1 1/8-12; 1/4 in.

Nonrotating-Stem Needle Valves (D Series)

Specifications

Working Pressure Up to 3000 psig (206 bar)
Temperature –20 to 450°F (–28 to 232°C)
Body Material 316 stainless steel, brass, alloy 400
O-Ring Material Fluorocarbon FKM
Flow Coefficient Up to 0.53
End Connections
   Type Swagelok tube fitting, NPT
   Size 1/8 to 3/8 in.; 6 mm

Gauge Valves (6P Series)

Gauge valves offer a roddable, straight-through orifice, gauge ports, and a variety of material options for system versatility.

Specifications

Working Pressure Up to 6000 psig (413 bar)
Temperature –65 to 1200°F (–53 to 648°C)
Body Material 316 stainless steel
Packing Material PTFE
Seal Material

Acetal (plug-tip design)

Orifice 0.156 and 0.250 in. (4.0 and 6.4 mm)
End Connections
    Type Male to female NPT, lagging male to female NPT
    Size 1/2 and 3/4 in.

Rising Plug Valves (4P and 5P Series)

Rising plug valves offer a roddable, straight-through orifice, gauge ports, and a variety of material options for system versatility.

Specifications

Working Pressure Up to 6000 psig (413 bar)
Temperature –20 to 400°F (–28 to 204°C)
Body Material 316 stainless steel, alloy 400
Seat Material Acetal
Flow Coefficient Up to 1.80
End Connections
   Type NPT
   Size 1/4 to 3/4 in.

PFA Needle Valves

PFA needle valves feature high-purity PFA material with low extractables for chemical resistance, Swagelok PFA tube fitting end connections for consistent performance, a straight-through orifice for full flow, and a plug stem tip for flow regulation.

Specifications

Working Pressure Up to 180 psig (12.4 bar)
Temperature 0 to 300°F (–17 to 148°C)
Body Material Virgin PFA
Flow Coefficient Up to 1.39
End Connections
   Type Swagelok PFA tube fittings
   Size 1/4, 3/8, and 1/2 in.

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"Safe Product Selection: The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Caution:
Do not mix or interchange product components with those of other manufacturers."